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Subject listing for: Soil Types |
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Compiled by David Rositter, this web page includes comprehensive information including soil fact sheets, on-line tutorials and courses about soil science, soil survey and soil mapping links, on-line tutorials and instructional materials, a variety of soil science journal links, and general soil science links.
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This site is the homepage for the Canadian Soil Information System which is sponsored by Agriculture and Agri-Food Canada. It contains a glossary and links to publications, the National Soil DataBase, keys to landscape and soil taxonomy, and more.
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This site has technical and purchasing information of the Digital Soil Map of the World (DSMW) CD-ROM that is based on the FAO/UNESCO Soil Map of the World.
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This site describes how to estimate soil moisture as well as how to read moisture sensors.
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This site contains soil and land cover information from Europe collected from satellite images, ground survey data, and soil information. An alternative version of this site is available in Dutch.
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This site hosted by the National Center for Environment and Health (Germany) contains FAO's soil classification scheme and links to other relevant information.
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This on-line book published in pdf format in 2002 includes instructions, definitions, concepts, and codes for making or reading soil descriptions and sampling soils as practiced in the USA.
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En esta página de la Universidad de Granada se hace una recopilación de fotografías de suelos con ejemplos de grupos de suelos, horizontes, estructura, propiedades diagnosticas y otros.
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This paper outlines what is meant by cation exchage capacity through a definition, measurements and its relationship to fertilization practices.
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Developed by FAO this resource site has information on the Agro-ecological Zones (AEZ) methodology which enables land-use planning based on an inventory of land resources and evaluation of biophysical limitations and potentials.
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This page of links is a component of NASA's Soil Science Education home page and is a great resource for primary and secondary school educators. It contains links to materials from the GLOBE (Global Learning and Observations to Benefit the Environment) program, including instructions for soil characterization protocols for lab and field, a soil characterization field guide, guides to soil moisture, pH and texture, as well as links to learning activities and other soils information.
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This on-line annotated slide set is subtitled "Vertisols: Their Properties, Classification, Distribution and Management". The 200 slides can be viewed sequentially or browsed via the table of contents.
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This on-line version of the out-of-print handbook originally published in 1954. It is available in 13 viewable and/or downloadable pdf files.
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This paper (pdf) originally published in the Journal of Range Management in 1990 discusses a study assessing seasonal hydrologic responses of the arid Somali rangelands as influenced by clay and sandy soils, grazing intensity, and shrub cover types.
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Iowa State Extension Service provides information on Iowa soil and land use, including charts and maps and tillage management.
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This searchable soil portal of the International Soil Reference and Information Centre has global, continental or regional, national or sub-national, and thematic soil data sets.
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This 1998 publication from the US Department of Agriculture contains a taxonomic key for classifying soils in the field, and includes all the taxonomic changes approved since 1975.
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This 2003 edition of soil taxonomy includes background of soils and taxonomic classes as well as identification of taxonomic classes and suborder keys.
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This FAO site contains descriptive information on soil types and links to relevant materials.
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This site lists FAO's CD-ROM resources of information on soils, soil types, land resources, conservation, conservation agriculture, crop response, irrigation, and participatory training and extension. Ordering instructions are available for selected titles.
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This site from the Canadian Soil Information System includes links to an overview of the landscape classification system in Canada as well as a photo gallery of examples of Canadian landscapes and soil profiles.
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This site outlines the salt accumulation processes, North Dakota Salts, where salts accumulate, saline soil management,as well as how to manage Sodic Soils.
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This site contains downloadable soil maps of Mexico and a digital elevation model of drainage basins for North America.
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This annotated bibliography style list contains links to reports, keys, guides, databases, organizations, and maps that provide information relevant to US soils.
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This valuable list of on-line references links directly to PDF files, maps, and databases including the full text of Soil Taxonomy, Keys to Taxonomy, searchable OSDs, soil classification database, Distribution Maps of Dominant Soil Orders, International Taxonomy Committees, a soil taxonomy forum, and 'The Guy Smith Interviews: Rationale for Concepts in Soil Taxonomy'.
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Pedosphere.com online magazine's resource page contains links to a glossary of soil science terms, interactive online books and reports, and soil classification and physics utilities. The Canadian System of Soil Classification (Agriculture Canada) and the Interactive Keys to Soil Taxonomy (USDA) are noteworthy.
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This website offers help for identifying soils of the island of Guam, and contains illustrated descriptions of the soil types found in Guam.
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This fact sheet outlines the necessity and the steps to be taken in order to lime Indiana's soils. It mentions the causes of acidity, how to measure it as well as the benefits of liming. A crop's needs regarding limestone as well as liming sources and application rates are outlined as well.
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New Mexico State University Extension Service provides information on soil analysis. This includes the objectives of soil analysis, limiting factors, carryover, yields to expect, fertilizer labeling as well as how and where to go for soil analysis.
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This University of Florida extension materials main page connects to information on soil fertility, quality, testing, surveys, properties, field methods, nutrient management, plant nutrition, and related topics. Connects to Spanish publications.
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Soil classification and mapping articles from a number of scientific journals can be accessed through this ASA-CSSA-SSSA collection. Abstracts are freely accessible; access to full text may require payment. Browsing and search functions for related agricultural topics can be found at http://soil.scijournals.org/collections/.
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This is the products page from the Worldwide Portal to
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This site outlines the basics behind soil sampling, including procedures, depths, as well as when and how to sample.
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IITA has prepared a website devoted to different types of soil sampling. This site explains how and why one would conduct each sampling technique.
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A paper compiled by the North Dakota State University Extension which discusses the importance of Soil Sampling,
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This fact sheet answers the four questions: How often should you sample the soil? Where do you sample a field? What time of year should your samples be collected? How should you sample different tillage systems?
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This University of Arizona (USA) site has information on soils of arid regions of the U.S. and Israel. There are papers on soils of arid regions, classification of aridic soils, soil surveys and maps, and some slides of soils from Israel.
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Just one of many datasets from the excellent Land Resources of Russia CD (on-line) from IIASA and the Russian Academy of Science. Complete with metadata, map units, and profiles.
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This is an on-line version of the out of print 1993 USDA Soil Survey Manual that provides the major principles and practices needed for making and using soil surveys and for assembling and using data related to them.
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This brief article in a 1993 edition of the Indigenous Knowledge and Development Monitor discusses indigenous soil classification systems.
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This USDA site has a list of published soil surveys by state, and a map showing when those surveys were done.
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This 871-page PDF format document is the 1999 edition of the US Department of Agriculture's manual on the American soil classification system.
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This on-line flow chart illustrates a procedure for measuring soil texture and identifying soil types by feel.
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This diagram of the soil texture triangle outlines the particle-size limits of different soil types.
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Published by the University of Queensland (Australia) this page contains brief definitions of some Australian soil types.
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This on-line 1992 manual contains information on alley farming and agroforestry systems in Africa, a section on soil classification and characterization, and another on nitrogen fixation.
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Based on a book published in 1996 this site contains an on-line soil classification key based on the Australian soil classification system.
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This site is the on-line version of the 1998 version of a manual on Canada's soil classification system.
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This brief Ontario Corn Producers' Association (Canada) article describes the goals of integrated weed management and the different effects of tillage on weeds across different soil types.
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This Technical Resources site contains maps of soil types and other links to soil information for the United States.
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This site outlines FAO/AGL's work towards the establishment of a framework for harmonizing soil classification systems. The site also contains a link to an on-line resource book that came out of that work, as well as links to relevant information.
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This page lists soil types according to the FAO classification system and provides descriptions for each soil type.
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This US Department of Agriculture Natural Resource Conservation Service site contains a variety of resources on soils. Included are slide shows on oxisols, vertisols, global soil resources, and soils under the microscope, as well as contacts, publications, maps, links, and more.
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The WWW virtual library page on soils and substrates from METLA, the Finnish Forest Research Institute, has a variety of links on basic soil structure, populations, and processes
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